Atkin-Lehner |
2+ 3- 7+ 17+ |
Signs for the Atkin-Lehner involutions |
Class |
2142d |
Isogeny class |
Conductor |
2142 |
Conductor |
∏ cp |
8 |
Product of Tamagawa factors cp |
deg |
1536 |
Modular degree for the optimal curve |
Δ |
-3197988864 = -1 · 212 · 38 · 7 · 17 |
Discriminant |
Eigenvalues |
2+ 3- 2 7+ 0 -6 17+ 0 |
Hecke eigenvalues for primes up to 20 |
Equation |
[1,-1,0,9,-2723] |
[a1,a2,a3,a4,a6] |
j |
103823/4386816 |
j-invariant |
L |
1.3060323407156 |
L(r)(E,1)/r! |
Ω |
0.65301617035779 |
Real period |
R |
1 |
Regulator |
r |
0 |
Rank of the group of rational points |
S |
1 |
(Analytic) order of Ш |
t |
2 |
Number of elements in the torsion subgroup |
Twists |
17136bl1 68544bf1 714f1 53550dx1 |
Quadratic twists by: -4 8 -3 5 |